Stainless Steel Tube with Aluminum Fin in Extruded Type Fin Tube

Stainless Steel Tube with Aluminum Fin in Extruded Type Fin Tube

Spiral fin tube 1. As a heat exchange element, finned tubes work under high temperature flue gas conditions for a long time. For example, finned tubes for boiler heat ex-changers are used in harsh environments, high temperature and pressure, and corrosive atmosphere, which requires finned tubes...

Product Introduction

We carry on to produce and structure top-quality excellent solutions for equally our aged and new consumers and accomplish a win-win prospect for our consumers as well as us for serrated tube, nickel tubing, carbon steel boiler tubes. Many products fully conform to the most rigorous of international guidelines and with our first-rate delivery service you will have them delivered at any time and in any place. The company provides users with excellent performance and stable quality products with a complete quality management model.

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Spiral Fin Tube

Material

The spiral fin tube is typically made from carbon steel or stainless steel. The choice of material depends on the specific application requirements such as temperature, corrosion resistance, and mechanical strength.


Specification

The specifications of a spiral fin tube can vary based on its intended usage. The dimensions, wall thickness, diameter, and pitch of the fins are determined based on the heat transfer requirements of the application. Specific tolerances and quality standards should be followed to ensure the performance and reliability of the spiral fin tube.


Key Features

  • Enhanced heat transfer efficiency: The spiral fins increase the surface area of the tube, facilitating better heat transfer between the fluid and the surrounding environment.
  • Improved thermal conductivity: The use of high-quality materials ensures efficient heat conduction across the tube's surface.
  • Enhanced mechanical strength: The integrated spiral fins provide additional structural support, making the tube more robust and resistant to external forces.
  • Versatile application possibilities: Spiral fin tubes are utilized in various industries, including petrochemical, power generation, HVAC, and heat exchangers.
  • Customizable design: The dimensions, material, and shape of the spiral fins can be tailored to meet specific project requirements.


Chemical Composition

ElementCarbon Steel(%)Stainless Steel(%)
Carbon0.05-0.300.08 maximum
Manganese0.30-0.902.00 maximum
Silicon0.10-0.351.00 maximum
Chromium-16.00-18.00
Nickel-10.00-14.00
OtherTrace elementsTrace elements


Mechanical Properties

PropertyCarbon SteelStainless Steel
Tensile Strength410-540 MPa515-690 MPa
Yield Strength250 MPa minimum205 MPa minimum
Elongation21% minimum40% minimum
Hardness (HB)80-15080-180
Modulus of Elasticity200-210 GPa190-210 GPa


Physical Properties

PropertyCarbon Steel
Stainless Steel
Density7.85 g/cm³7.9 g/cm³
Thermal Conductivity45-50 W/(m·K)14-17 W/(m·K)
Coefficient of Thermal Expansion10-12 x 10^-6/°C10-16 x 10^-6/°C
Specific Heat Capacity0.46 J/g·K0.45 J/g·K


Process Performance

PerformanceCarbon SteelStainless Steel
WeldabilityExcellentExcellent
MachinabilityFairFair to Good
Corrosion ResistanceLower resistanceExcellent corrosion
Oxidation ResistanceLower resistanceExcellent oxidation
Heat ResistanceModerateHigh


Steel Grade

Common steel grades used for spiral fin tubes include:

  • Carbon Steel: ASTM A179, ASTM A192, ASTM A210, ASTM A214, ASTM A106
  • Stainless Steel: ASTM A269, ASTM A312, ASTM A213, ASTM A358


Application

Spiral fin tubes find applications in various industries:

  • Petrochemical: Heat exchangers, condensers, boilers
  • Power Generation: Economizers, air preheaters, steam generators
  • HVAC: Radiators, air coolers, evaporators
  • Heat Exchangers: Shell and tube heat exchangers, plate heat exchangers


Possible Alternative Grades

Alternative steel grades that can be used as substitutes for spiral fin tubes include:

  • Carbon Steel: ASTM A334, ASTM A210, DIN 17175
  • Stainless Steel: ASTM A312, ASTM A249, ASTM A213, DIN 17456

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We have established good cooperative relations with many companies, and our products are sold all over the world and are deeply loved by customers. We will continue to innovate to pursue the leading position in the Stainless Steel Tube with Aluminum Fin in Extruded Type Fin Tube market. Our company has a first-class management system and marketing network, and our company adheres to the service tenet of customer first. The company actively implements the strategy of going global, always follows the philosophy of customer-oriented enterprise, and actively practices the concept of creating value for customers and achieving win-win cooperation, we have the ability to design, research and development, production and after-sales integrated services, and wholeheartedly provide quality services for the community.

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